|Item||SERVO CONTROLLED VOLTAGE STABILIZER|
|Capacity||5.0 KVA to 2000 KVA|
|Cooling||Air and Oil cooled in two separate modules.|
|Type||Indoor , floor mounting (Balanced / Unbalanced)|
|Input Voltage Range||300-400V / 320- 460V/ 340-460V/ 360- 460 V in 3 - phase. 4 wires AC system . |
170-270 VAC/ 140-270 VAC ± 1%, Single Phase or any voltage range as per requirement for both single and three phase.
|Output Voltage||380 VAC/ 400 VAC/ 415 VAC ± 1%, 3 phase 50 Hz |
220 VAC /230 VAC ± 1%, Single Phase or any voltage as per requirement for both single and three phase.
|Output Voltage Adjustment||± 5%|
|Frequency Range of Operation||47-53 Hz|
|Correction Speed||35 Volts/sec|
|Control Circuit||Solid-state electric plug-in PCB circuit|
|Efficiency||Above98% at full load. |
Above98% at half load
|Adjustment||Output voltage level and correction sensitivity to be adjustable.|
|Short Time Overload Capacity||No less than 110% for 5 minutes |
No less than 125% for 1 minute
|Alarms and Trippings*||Output voltage HI/LOW alarm and tripping through output MCCB. |
Input single Phasing alarm and tripping through input MCCB.
Input phase reversal alarm and tripping through input MCCB.
Over temperature sensing and alarm
|Metering||Voltmeter for Input / Output ?Volt Display|
|Protection*||Input MCCB for OL & SC protection. |
Output MCCB for OL & SC protection.
Input phase reversal.
Input single phasing
|Bypass Arrangement*||Suitable bypass arrangement for bypassing the input supply to output and isolating the Servo Stabilizer for maintenance/repair.|
|Power Circuit Diagram on Panel (Mimic panel)*||Power and control circuit diagram with above indication to be screen printed. (Mimic panel) on the front panel of the servo stabilizer|
|Operating Temperature||Upto 500 C|
|Operating Humidity||Upto 95% RH|
|Conforming To||IS : 9815 with latest amendments|
|Oil||Transformer grade oil confirming to IS : 335/ IE 296|
|General||Painting using 7 tonk process system, earthling bolts, lifting hooks|